{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Further research examining the risk of AFF with long - term use of bisphosphonates is indicated as there was limited data in this subgroup ."}
{"Chemical": ["bisphosphonates"]}